CVE-2026-42926
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BaseFortify

Publication date: 2026-05-13

Last updated on: 2026-05-13

Assigner: F5 Networks

Description
When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxy_http_version to 2, and also uses proxy_set_body, an attacker may be able to inject frame headers and payload bytes to the upstream peer.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
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Meta Information
Published
2026-05-13
Last Modified
2026-05-13
Generated
2026-06-10
EPSS Evaluated
2026-06-08
NVD
CVE-2026-42926
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-172 The product does not properly encode or decode the data, resulting in unexpected values.
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